Mutations in the palm domain disrupt modulation of acid-sensing ion channel 1a currents by neuropeptides
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چکیده
منابع مشابه
Acid-sensing ion channel 1a regulates the survival of nucleus pulposus cells in the acidic environment of degenerated intervertebral discs
Objective(s): Activation of acid-sensing ion channel 1a (ASIC1a) is responsible for tissue injury caused by acidosis in nervous systems. But its physiological and pathological roles in nucleus pulposus cells (NPCs) are unclear. The aim of this study is to investigate whether ASIC1a regulates the survival of NPCs in the acidic environment of degenerated discs. Materials and Methods: NPCs were i...
متن کاملTrypsin cleaves acid-sensing ion channel 1a in a domain that is critical for channel gating.
Acid-sensing ion channels (ASICs) are neuronal Na(+) channels that are members of the epithelial Na(+) channel/degenerin family and are transiently activated by extracellular acidification. ASICs in the central nervous system have a modulatory role in synaptic transmission and are involved in cell injury induced by acidosis. We have recently demonstrated that ASIC function is regulated by serin...
متن کاملModulation of acid-sensing ion channel activity by nitric oxide.
Acid-sensing ion channels (ASICs) are a class of ion channels activated by extracellular protons and are believed to mediate the pain caused by tissue acidosis. Although ASICs have been widely studied, little is known about their regulation by inflammatory mediators. Here, we provide evidence that nitric oxide (NO) potentiates the activity of ASICs. Whole-cell patch-clamp recordings were perfor...
متن کاملPt718. Histamine Selectively Potentiates Acid-sensing Ion Channel 1a
Although acid-sensitive ion channels (ASICs) play an important role in brain functions, the exact mechanism of their physiological activation remain unclear. A possible answer to the intriguing question is that some presently unknown endogenous ligand(s) positively modulate ASICs and enhance their responses to physiologically significant level. In the present work we found that histamine select...
متن کاملacid-sensing ion channel 1a regulates the survival of nucleus pulposus cells in the acidic environment of degenerated intervertebral discs
objective(s): activation of acid-sensing ion channel 1a (asic1a) is responsible for tissue injury caused by acidosis in nervous systems. but its physiological and pathological roles in nucleus pulposus cells (npcs) are unclear. the aim of this study is to investigate whether asic1a regulates the survival of npcs in the acidic environment of degenerated discs. materials and methods: npcs were is...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2019
ISSN: 2045-2322
DOI: 10.1038/s41598-018-37426-5